TWebAppDataModule Members

The following tables list the members exposed by TWebAppDataModule.

	Name	Description
	FComponentStyle	FComponentStyle is the field of the ComponentStyle read-only property.

Protected Methods

	Name	Description
	_AddRef	Called when an application uses a component interface.
	_Release	Called when an application releases a component interface.
	AssignTo	Copies the properties of an object to a destination object.
	ChangeName	Sets the private, internal storage for the Name property to the string passed in NewName.
	DefineProperties	Designates methods for storing an object's unpublished data on a stream such as a form file.
	DefineProperties	Designates methods for storing an object's unpublished data on a stream such as a form file.
	DefineProperties	Provides an interface for a method that reads and writes otherwise unpublished data.
	DoCreate	This is DoCreate, a member of class TDataModule.
	DoDestroy	This is DoDestroy, a member of class TDataModule.
	GetChildOwner	Returns the owner of a child component being read from a stream.
	GetChildParent	Returns the parent, or if there is no parent, returns the owner of a child component being read from a stream.
	GetChildren	Enumerates all child components.
	GetChildren	Enumerates all child components.
	GetIDsOfNames	Maps a single member and an optional set of argument names to a corresponding set of integer dispatch identifiers (dispIDs).
	GetOwner	Returns the owner of a component.
	GetOwner	Returns the owner of an object.
	GetSiteModuleHelper	Returns the value of the SiteModuleHelper property.
	GetTypeInfo	Retrieves the type information for an object.
	GetTypeInfoCount	Returns the number of type information interfaces that an object provides (either 0 or 1).
	GetWebAppServices	Returns the IWebAppServices interface of the component that centralizes the dispatching of requests.
	GetWebSnapObjClass	Returns the class type for this adapter field.
	HandleCreateException	This is HandleCreateException, a member of class TDataModule.
	Invoke	Provides access to Automation properties and methods when the component wraps an Automation object.
	Loaded	Initializes the component after the form file has been read into memory.
	Notification	Forwards notification messages to all owned components.
	Notification	Responds to notifications that components are about to be inserted or removed.
	Notification	Responds to notifications that components are about to be inserted or removed.
	PaletteCreated	Responds when the component is created from the component palette.
	QueryInterface	Returns a reference to a specified interface if the object supports that interface.
	QueryInterface	Returns a reference to a specified interface if the module supports that interface.
	ReadState	Reads the state of the component.
	ReadState	Reads the state of the component.
	SetAncestor	Clears or sets csAncestor state in the component's ComponentState property.
	SetChildOrder	Sets the visual ordering of a child control.
	SetDesigning	Ensures that components inserted at design time have their design-mode flag set.
	SetDesignInstance	Ensures that components inserted at design time have their design-mode flag set.
	SetInline	Sets the csInline bit of the component's ComponentState property
	SetName	Sets the value of the Name property.
	SetParentComponent	Sets the parent component.
	Updated	Clears the csUpdating state in the component's ComponentState property when the component finishes updating.
	UpdateRegistry	Provides the interface for a method that adds type library and version information to the Registry on components that implement COM interfaces.
	Updating	Sets the csUpdating state in the component's ComponentState property.
	ValidateContainer	Determines whether an object can be inserted into a container.
	ValidateInsert	Provides the interface for a method that validates an child component before it is inserted.
	ValidateRename	Ensures that renaming an owned component does not create name conflict.
	WriteState	Writes the state of the component.

Protected Properties

	Name	Description
	SiteModuleHelper	References the helper object that keeps track of WebSnap objects in the module and generates OnActivate and OnDeactivate events.

Public Methods

	Name	Description
	_AddRef	Increments the reference count for this interface.
	_Release	Decrements the reference count for this interface.
	AfterConstruction	Generates an OnCreate event.
	AfterConstruction	Responds after the last constructor has executed.
	Assign	Copies the contents of another, similar object.
	BeforeDestruction	Performs any necessary actions before the first destructor is called.
	BeforeDestruction	Generates an OnDestroy event.
	BeforeDestruction	Responds before the first destructor executes.
	ClassInfo	Returns a pointer to the runtime type information (RTTI) table for the object type.
	ClassName	Returns a string indicating the type of the object instance (as opposed to the type of the variable passed as an argument).
	ClassNameIs	Determines whether an object is of a specific type.
	ClassParent	Returns the type of the immediate ancestor of a class.
	ClassType	Returns the class reference for the object's class.
	CleanupInstance	Performs finalization on long strings, variants, and interface variables within a class.
	Create	Allocates memory and constructs a safely initialized instance of a component.
	Create	Creates an instance of a data module.
	Create	Constructs an object and initializes its data before the object is first used.
	Create	Creates a new TCustomWebAppDataModule instance.
	Create	Creates and initializes an instance of TCustomWebDataModule.
	CreateNew	Creates an instance of a data module and registers with the global screen object.
	CreateNew	Creates a data module without using the associated form file to initialize it.
	CreateNew	Creates and initializes an instance of TCustomWebDataModule without using an associated form file.
	DefaultHandler	Provides the interface for a method that processes message records.
	Destroy	Disposes of the component and its owned components.
	Destroy	Destroys the instance of the data module.
	Destroy	Destroys the TPersistent instance and frees its memory.
	Destroy	Disposes of an object instance.
	Destroy	Frees a Web application data module instance.
	Destroy	Frees an instance of TCustomWebDataModule.
	DestroyComponents	Destroys all owned components.
	Destroying	Indicates that the component and its owned components are about to be destroyed.
	Dispatch	Calls message-handling methods for the object, based on the contents of the Message parameter.
	EndIterator	Signals the end of the iterating operation.
	Equals	Checks if the current instance and the parameter are equal.
	ExecuteAction	Executes an action.
	FieldAddress	This is the overview for the FieldAddress method overload.
	FindComponent	Indicates whether a given component is owned by the component.
	FindVariable	This is FindVariable, a member of class IWebVariablesContainer.
	FindVariableContainer	This is FindVariableContainer, a member of class IWebVariablesContainer.
	Free	Destroys an object and frees its associated memory, if necessary.
	FreeInstance	Deallocates memory allocated by a previous call to the System::TObject::NewInstance method.
	FreeNotification	Ensures that AComponent is notified that the component is going to be destroyed.
	FreeOnRelease	Frees the interface reference for components that were created from COM classes.
	GetComponent	Returns a reference to the component associated by the implementing class.
	GetCurrentObject	This is GetCurrentObject, a member of class IIterateObjectSupport.
	GetEnumerator	Returns a TComponent enumerator.
	GetHashCode	Returns an integer containing the hash code.
	GetInterface	Retrieves a specified interface.
	GetInterfaceEntry	Returns the entry for a specific interface implemented in a class.
	GetInterfaceTable	Returns a pointer to a structure containing all of the interfaces implemented by a given class.
	GetNamePath	Returns a string used by the Object Inspector.
	GetNamePath	Returns the name of the object as it appears in the Object Inspector.
	GetParentComponent	Returns the containing Component.
	GetVariable	This is GetVariable, a member of class IWebVariablesContainer.
	GetVariableCount	This is GetVariableCount, a member of class IWebVariablesContainer.
	GetWebAppServices	This is GetWebAppServices, a member of class IGetWebAppServices.
	HasParent	Verifies whether the component has a parent.
	InheritsFrom	Determines the relationship of two object types.
	InitInstance	Initializes a newly allocated object instance to all zeros and initializes the instance's virtual method table pointer.
	InsertComponent	Establishes the component as the owner of a specified component.
	InstanceSize	Returns the size in bytes of each instance of the object type.
	IsImplementorOf	Indicates whether the component implements a specified interface.
	MethodAddress	This is the overview for the MethodAddress method overload.
	MethodName	Returns the name of a class method by address.
	NewInstance	Allocates memory for an instance of an object type and returns a pointer to that new instance.
	NextIteration	Advances to the objects next item.
	NotifyActivate	This is NotifyActivate, a member of class INotifyWebActivate.
	NotifyDeactivate	This is NotifyDeactivate, a member of class INotifyWebActivate.
	QueryInterface	Returns a reference to a specified interface if the object supports that interface.
	ReferenceInterface	Establishes or removes internal links that cause this component to be notified when the implementer of a specified interface is destroyed.
	RemoveComponent	Removes a specified component specified from the component's Components list.
	RemoveFreeNotification	Disables destruction notification that was enabled by FreeNotification
	SafeCallException	Handles exceptions in methods declared using the safecall calling convention.
	SafeCallException	Handles exceptions in methods declared using the safecall calling convention.
	SetSubComponent	Identifies whether the component is a subcomponent.
	StartIterator	Positions the object on its first item and starts the iteration process.
	ToString	Returns a string containing the class name.
	UnitName	Returns a string containing the unit name.
	UpdateAction	Updates the state of an action.

Public Properties

	Name	Description
	ComObject	Specifies the interface reference implemented by the component.
	ComponentCount	Indicates the number of components owned by the component.
	ComponentIndex	Indicates the position of the component in its owner's Components property array.
	Components	Lists all components owned by the component.
	ComponentState	Describes the current state of the component, indicating when a component needs to avoid certain actions.
	ComponentStyle	Governs the behavior of the component.
	DesignInfo	Contains information used by the Form designer.
	DesignOffset	Specifies the design offset for the data module at design time.
	DesignSize	Specifies the design size for the data module at design time.
	Owner	Indicates the component that is responsible for streaming and freeing this component.
	Request	Provides access to the current request object.
	Response	Provides access to the current response object.
	Session	Provides access to the current Web session.
	VariableCount	This is VariableCount, a member of class IWebVariablesContainer.
	Variables	This is Variables, a member of class IWebVariablesContainer.
	VCLComObject	Represents information used internally by components that support COM.

Published Events

	Name	Description
	OnActivate	Occurs when the Web module is activated.
	OnCreate	Occurs when an application instantiates a data module.
	OnDeactivate	Occurs when the Web module is deactivated.
	OnDestroy	Occurs when the data module is about to be destroyed.

Published Properties

	Name	Description
	AppServices	Provides read and write access to the application services stored in this TCustomWebAppDataModule object.
	Name	Specifies the name of the component as referenced in code.
	OldCreateOrder	Specifies when OnCreate and OnDestroy events occur.
	Tag	Stores an integer value as part of a component.

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